Toyota Display Audio system Owner's Manual page 444

1-7. Safety information
Forward-facing
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Run the seat belt through the
child seat and insert the plate
into the buckle. Make sure that
the belt is not twisted.
Fully extend the shoulder belt
and then allow it to retract
slightly in order to activate the
ALR lock mode.
While pushing the child seat
down into the rear seat, allow the
shoulder belt to retract until the
child seat is securely in place.
Convertible seat
Place the child seat on the seat
facing the front of the vehicle.
Lock mode allows the seat belt to
retract only.
After the shoulder
retracted to a point where there is
no slack in the belt, pull the belt to
check that it cannot be extended.
belt has